skip to main content

SciTech ConnectSciTech Connect

Title: Boundary between the thermal and statistical polarization regimes in a nuclear spin ensemble

As the number of spins in an ensemble is reduced, the statistical fluctuations in its polarization eventually exceed the mean thermal polarization. This transition has now been surpassed in a number of recent nuclear magnetic resonance experiments, which achieve nanometer-scale detection volumes. Here, we measure nanometer-scale ensembles of nuclear spins in a KPF{sub 6} sample using magnetic resonance force microscopy. In particular, we investigate the transition between regimes dominated by thermal and statistical nuclear polarization. The ratio between the two types of polarization provides a measure of the number of spins in the detected ensemble.
Authors:
; ; ; ;  [1]
  1. Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel (Switzerland)
Publication Date:
OSTI Identifier:
22311220
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; DETECTION; FLUCTUATIONS; FLUORINE COMPOUNDS; MICROSCOPY; NUCLEAR MAGNETIC RESONANCE; PHOSPHORUS COMPOUNDS; POLARIZATION; POTASSIUM COMPOUNDS; SPIN